/**
* This implementation of <code>dragOver</code> provides a default drag under effect for the
* feedback specified in <code>event.feedback</code>. The class description lists the FEEDBACK
* constants that are applicable to the class.
*
* <p>For additional information see <code>DropTargetAdapter.dragOver</code>.
*
* <p>Subclasses that override this method should call <code>super.dragOver(event)</code> to get
* the default drag under effect implementation.
*
* @param event the information associated with the drag over event
* @see DropTargetAdapter
* @see DropTargetEvent
* @see DND#FEEDBACK_SELECT
* @see DND#FEEDBACK_SCROLL
*/
public void dragOver(DropTargetEvent event) {
Table table = (Table) control;
long /*int*/ handle = table.handle;
int effect = checkEffect(event.feedback);
Point coordinates = new Point(event.x, event.y);
coordinates = table.toControl(coordinates);
long /*int*/[] path = new long /*int*/[1];
OS.gtk_tree_view_get_path_at_pos(handle, coordinates.x, coordinates.y, path, null, null, null);
int index = -1;
if (path[0] != 0) {
long /*int*/ indices = OS.gtk_tree_path_get_indices(path[0]);
if (indices != 0) {
int[] temp = new int[1];
OS.memmove(temp, indices, 4);
index = temp[0];
}
}
if ((effect & DND.FEEDBACK_SCROLL) == 0) {
scrollBeginTime = 0;
scrollIndex = -1;
} else {
if (index != -1 && scrollIndex == index && scrollBeginTime != 0) {
if (System.currentTimeMillis() >= scrollBeginTime) {
if (coordinates.y < table.getItemHeight()) {
OS.gtk_tree_path_prev(path[0]);
} else {
OS.gtk_tree_path_next(path[0]);
}
if (path[0] != 0) {
OS.gtk_tree_view_scroll_to_cell(handle, path[0], 0, false, 0, 0);
OS.gtk_tree_path_free(path[0]);
path[0] = 0;
OS.gtk_tree_view_get_path_at_pos(
handle, coordinates.x, coordinates.y, path, null, null, null);
}
scrollBeginTime = 0;
scrollIndex = -1;
}
} else {
scrollBeginTime = System.currentTimeMillis() + SCROLL_HYSTERESIS;
scrollIndex = index;
}
}
if (path[0] != 0) {
int position = 0;
if ((effect & DND.FEEDBACK_SELECT) != 0) position = OS.GTK_TREE_VIEW_DROP_INTO_OR_BEFORE;
// if ((effect & DND.FEEDBACK_INSERT_BEFORE) != 0) position = OS.GTK_TREE_VIEW_DROP_BEFORE;
// if ((effect & DND.FEEDBACK_INSERT_AFTER) != 0) position = OS.GTK_TREE_VIEW_DROP_AFTER;
if (position != 0) {
OS.gtk_tree_view_set_drag_dest_row(handle, path[0], OS.GTK_TREE_VIEW_DROP_INTO_OR_BEFORE);
} else {
OS.gtk_tree_view_set_drag_dest_row(handle, 0, OS.GTK_TREE_VIEW_DROP_BEFORE);
}
} else {
OS.gtk_tree_view_set_drag_dest_row(handle, 0, OS.GTK_TREE_VIEW_DROP_BEFORE);
}
if (path[0] != 0) OS.gtk_tree_path_free(path[0]);
}
private int getHeight(final int index) {
int result = 0;
int columnCount = parent.getColumnCount();
boolean singleColumn = index == 0 && columnCount == 0;
boolean columnInRange = index >= 0 && index < columnCount;
if (singleColumn || columnInRange) {
result = parent.getItemHeight();
}
return result;
}
private int getTop(final int itemIndex) {
int relativeItemIndex = itemIndex - parent.getTopIndex();
int headerHeight = parent.getHeaderHeight();
int itemHeight = parent.getItemHeight();
return headerHeight + relativeItemIndex * itemHeight;
}
void keyDown(Event event) {
if (row == null) return;
switch (event.character) {
case SWT.CR:
notifyListeners(SWT.DefaultSelection, new Event());
return;
}
int rowIndex = table.indexOf(row);
int columnIndex = column == null ? 0 : table.indexOf(column);
switch (event.keyCode) {
case SWT.ARROW_UP:
setRowColumn(Math.max(0, rowIndex - 1), columnIndex, true);
break;
case SWT.ARROW_DOWN:
setRowColumn(Math.min(rowIndex + 1, table.getItemCount() - 1), columnIndex, true);
break;
case SWT.ARROW_LEFT:
case SWT.ARROW_RIGHT:
{
int columnCount = table.getColumnCount();
if (columnCount == 0) break;
int[] order = table.getColumnOrder();
int index = 0;
while (index < order.length) {
if (order[index] == columnIndex) break;
index++;
}
if (index == order.length) index = 0;
int leadKey = (getStyle() & SWT.RIGHT_TO_LEFT) != 0 ? SWT.ARROW_RIGHT : SWT.ARROW_LEFT;
if (event.keyCode == leadKey) {
setRowColumn(rowIndex, order[Math.max(0, index - 1)], true);
} else {
setRowColumn(rowIndex, order[Math.min(columnCount - 1, index + 1)], true);
}
break;
}
case SWT.HOME:
setRowColumn(0, columnIndex, true);
break;
case SWT.END:
{
int i = table.getItemCount() - 1;
setRowColumn(i, columnIndex, true);
break;
}
case SWT.PAGE_UP:
{
int index = table.getTopIndex();
if (index == rowIndex) {
Rectangle rect = table.getClientArea();
TableItem item = table.getItem(index);
Rectangle itemRect = item.getBounds(0);
rect.height -= itemRect.y;
int height = table.getItemHeight();
int page = Math.max(1, rect.height / height);
index = Math.max(0, index - page + 1);
}
setRowColumn(index, columnIndex, true);
break;
}
case SWT.PAGE_DOWN:
{
int index = table.getTopIndex();
Rectangle rect = table.getClientArea();
TableItem item = table.getItem(index);
Rectangle itemRect = item.getBounds(0);
rect.height -= itemRect.y;
int height = table.getItemHeight();
int page = Math.max(1, rect.height / height);
int end = table.getItemCount() - 1;
index = Math.min(end, index + page - 1);
if (index == rowIndex) {
index = Math.min(end, index + page - 1);
}
setRowColumn(index, columnIndex, true);
break;
}
}
}
/** @see PreferencePage#createContents(Composite) */
protected Control createContents(Composite ancestor) {
Composite parent = new Composite(ancestor, SWT.NULL);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
layout.marginHeight = 0;
layout.marginWidth = 0;
parent.setLayout(layout);
// layout the top table & its buttons
Label label = new Label(parent, SWT.LEFT);
label.setText(XMLCompareMessages.XMLComparePreference_topTableLabel);
GridData data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
label.setLayoutData(data);
fIdMapsTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
fIdMapsTable.setHeaderVisible(true);
data = new GridData(GridData.FILL_BOTH);
data.heightHint = fIdMapsTable.getItemHeight() * 4;
fIdMapsTable.setLayoutData(data);
fIdMapsTable.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
selectionChanged();
}
});
String column2Text = XMLCompareMessages.XMLComparePreference_topTableColumn2;
String column3Text = XMLCompareMessages.XMLComparePreference_topTableColumn3;
ColumnLayoutData columnLayouts[] = {
new ColumnWeightData(1),
new ColumnPixelData(convertWidthInCharsToPixels(column2Text.length() + 2), true),
new ColumnPixelData(convertWidthInCharsToPixels(column3Text.length() + 5), true)
};
TableLayout tablelayout = new TableLayout();
fIdMapsTable.setLayout(tablelayout);
for (int i = 0; i < 3; i++) tablelayout.addColumnData(columnLayouts[i]);
TableColumn column = new TableColumn(fIdMapsTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_topTableColumn1);
column = new TableColumn(fIdMapsTable, SWT.NONE);
column.setText(column2Text);
column = new TableColumn(fIdMapsTable, SWT.NONE);
column.setText(column3Text);
fillIdMapsTable();
Composite buttons = new Composite(parent, SWT.NULL);
buttons.setLayout(new GridLayout());
data = new GridData();
data.verticalAlignment = GridData.FILL;
data.horizontalAlignment = GridData.FILL;
buttons.setLayoutData(data);
fAddIdMapButton = new Button(buttons, SWT.PUSH);
fAddIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topAdd);
fAddIdMapButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
addIdMap(fAddIdMapButton.getShell());
}
});
data = new GridData();
data.horizontalAlignment = GridData.FILL;
// data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
data.widthHint =
Math.max(widthHint, fAddIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
fAddIdMapButton.setLayoutData(data);
fRenameIdMapButton = new Button(buttons, SWT.PUSH);
fRenameIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topRename);
fRenameIdMapButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
renameIdMap(fRenameIdMapButton.getShell());
}
});
data = new GridData();
data.horizontalAlignment = GridData.FILL;
// data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
data.widthHint =
Math.max(widthHint, fAddIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
fRenameIdMapButton.setLayoutData(data);
fRemoveIdMapButton = new Button(buttons, SWT.PUSH);
fRemoveIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topRemove);
fRemoveIdMapButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
removeIdMap(fRemoveIdMapButton.getShell());
}
});
data = new GridData();
data.horizontalAlignment = GridData.FILL;
// data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
data.widthHint =
Math.max(widthHint, fRemoveIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
fRemoveIdMapButton.setLayoutData(data);
createSpacer(buttons);
fEditIdMapButton = new Button(buttons, SWT.PUSH);
fEditIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topEdit);
fEditIdMapButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
editIdMap(fEditIdMapButton.getShell());
}
});
data = new GridData();
data.horizontalAlignment = GridData.FILL;
// data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
data.widthHint =
Math.max(widthHint, fEditIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
fEditIdMapButton.setLayoutData(data);
// Spacer
label = new Label(parent, SWT.LEFT);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
label.setLayoutData(data);
// layout the middle table & its buttons
label = new Label(parent, SWT.LEFT);
label.setText(XMLCompareMessages.XMLComparePreference_middleTableLabel);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
label.setLayoutData(data);
fMappingsTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
fMappingsTable.setHeaderVisible(true);
data = new GridData(GridData.FILL_BOTH);
data.heightHint = fMappingsTable.getItemHeight() * 4;
data.widthHint = convertWidthInCharsToPixels(70);
fMappingsTable.setLayoutData(data);
column3Text = XMLCompareMessages.XMLComparePreference_middleTableColumn3;
String column4Text = XMLCompareMessages.XMLComparePreference_middleTableColumn4;
columnLayouts =
new ColumnLayoutData[] {
new ColumnWeightData(10),
new ColumnWeightData(18),
new ColumnPixelData(convertWidthInCharsToPixels(column3Text.length() + 1), true),
new ColumnPixelData(convertWidthInCharsToPixels(column4Text.length() + 3), true)
};
tablelayout = new TableLayout();
fMappingsTable.setLayout(tablelayout);
for (int i = 0; i < 4; i++) tablelayout.addColumnData(columnLayouts[i]);
column = new TableColumn(fMappingsTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_middleTableColumn1);
column = new TableColumn(fMappingsTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_middleTableColumn2);
column = new TableColumn(fMappingsTable, SWT.NONE);
column.setText(column3Text);
column = new TableColumn(fMappingsTable, SWT.NONE);
column.setText(column4Text);
buttons = new Composite(parent, SWT.NULL);
buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
buttons.setLayout(layout);
fNewMappingsButton = new Button(buttons, SWT.PUSH);
fNewMappingsButton.setLayoutData(getButtonGridData(fNewMappingsButton));
fNewMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleNew);
fNewMappingsButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
addMapping(fAddIdMapButton.getShell());
}
});
fEditMappingsButton = new Button(buttons, SWT.PUSH);
fEditMappingsButton.setLayoutData(getButtonGridData(fEditMappingsButton));
fEditMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleEdit);
fEditMappingsButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
editMapping(fEditMappingsButton.getShell());
}
});
fRemoveMappingsButton = new Button(buttons, SWT.PUSH);
fRemoveMappingsButton.setLayoutData(getButtonGridData(fRemoveMappingsButton));
fRemoveMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleRemove);
fRemoveMappingsButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
removeMapping(fRemoveMappingsButton.getShell());
}
});
createSpacer(buttons);
// layout the botton table & its buttons
label = new Label(parent, SWT.LEFT);
label.setText(XMLCompareMessages.XMLComparePreference_bottomTableLabel);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
label.setLayoutData(data);
fOrderedTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
fOrderedTable.setHeaderVisible(true);
data = new GridData(GridData.FILL_BOTH);
data.heightHint = fOrderedTable.getItemHeight() * 2;
data.widthHint = convertWidthInCharsToPixels(70);
fOrderedTable.setLayoutData(data);
columnLayouts = new ColumnLayoutData[] {new ColumnWeightData(1), new ColumnWeightData(1)};
tablelayout = new TableLayout();
fOrderedTable.setLayout(tablelayout);
for (int i = 0; i < 2; i++) tablelayout.addColumnData(columnLayouts[i]);
column = new TableColumn(fOrderedTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_bottomTableColumn1);
column = new TableColumn(fOrderedTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_bottomTableColumn2);
buttons = new Composite(parent, SWT.NULL);
buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
buttons.setLayout(layout);
fNewOrderedButton = new Button(buttons, SWT.PUSH);
fNewOrderedButton.setLayoutData(getButtonGridData(fNewOrderedButton));
fNewOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomNew);
fNewOrderedButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
addOrdered(fNewOrderedButton.getShell());
}
});
fEditOrderedButton = new Button(buttons, SWT.PUSH);
fEditOrderedButton.setLayoutData(getButtonGridData(fEditOrderedButton));
fEditOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomEdit);
fEditOrderedButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
editOrdered(fEditOrderedButton.getShell());
}
});
fRemoveOrderedButton = new Button(buttons, SWT.PUSH);
fRemoveOrderedButton.setLayoutData(getButtonGridData(fRemoveOrderedButton));
fRemoveOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomRemove);
fRemoveOrderedButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
removeOrdered(fRemoveOrderedButton.getShell());
}
});
createSpacer(buttons);
fIdMapsTable.setSelection(0);
fIdMapsTable.setFocus();
selectionChanged();
return parent;
}
